<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>标题</title>
</head>

<body>
<iframe id="frame"
    title="Inline Frame Example"
    width="1920px"
    height="1000px"
    src="https://mozilla.github.io/pdf.js/web/viewer.html?file=https://core.ac.uk/download/pdf/48300739.pdf">
</iframe>
</body>
</html>